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sparkle spi250g at power supply

would anyone happen to have a cct di for a sparkle spi250g AT power supply ?
i have just about looked everywhere.
thanks if you can help

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zsugori
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Shizo
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Hello
Hard to find it by name, look which chips are inside and search it with google pics.

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funk
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Hi Shizo, thanks for the reply, i sort of tried that approach while looking for the pin outs of the chips to check Vs, cheers anyway

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Shizo
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Hi
What is the problem in PS? Maybe easier to repair with us without schematic..

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Funk
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Cheers Zsugori, a few on there are close its the KA7500b, which im told i can just use a TL494cn, only diff i can see on the data sheet is the gates are diff prob due to the power switchin on, on the AT as you know its off the mains switch, will check them out cheers.

Shizo...
cheers its just dead i now have 3 of them to do all same problem so if i fix one al fix them all, all trannys diods caps are fine, its something daft, al keep yall posted, thanks for the help guys. al prob just draw out a cct, if i do al post it it for future ref, cheers

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Shizo
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Completelly dead or  have stby voltage 5V in purple wire ?

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